José Valenzuela Fraijo, Author at Uni-Red

Protección práctica de la información

octubre 8, 2020 José Valenzuela Fraijo

La tranquilidad en la vida del administrador de T. I. gira alrededor de la calidad de sus respaldos y la…

Publicado en: Notas de aplicación

CVE-2020-1350

julio 15, 2020 José Valenzuela Fraijo

Julio 2020, Centro de Respuestas de Seguridad de Microsoft.- Notificación de seguridad: CVE-2020-1350: Vulnerabilidad en servicio Domain Name System (DNS), en…

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Publicado en: Notas de aplicación

Nueva normalidad

junio 11, 2020 José Valenzuela Fraijo

El reto que trae a las organizaciones modernas enfrentarse a la dura realidad «post – pandémica» y por qué la…

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Publicado en: Notas de aplicación,Seguridad

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FBI “ransomware warning” for healthcare is a warning for everyone!

29 October 2020

The US government has warned of a ransomware escalation against the healthcare sector. BUT THAT DOESN'T MEAN THE REST OF US CAN RELAX! [...]

Buer Loader “malware-as-a-service” joins Emotet for ransomware delivery

29 October 2020

A relative newcomer in the "malware-as-a-service" scene is starting to attract the big-money ransomware criminals. [...]

Facebook “copyright violation” tries to get past 2FA – don’t fall for it!

27 October 2020

Watch out for "Facebook copyright violation" emails - even if they link straight back to Facebook.com [...]

Phone scamming – friends don’t let friends get vished!

27 October 2020

You probably back yourself not to be flattered or scared by a voice scammer - but what about vulnerable friends or relatives? [...]

Naked Security Live – Who’s watching you? 5 mobile privacy tips

26 October 2020

Here's the latest Naked Security Live video - enjoy (and please share with your friends)! [...]

S3 Ep3: Cryptography, hacking and pwning Chrome [Podcast]

23 October 2020

Listen to the latest Naked Security podcast! [...]

Time for a mobile privacy reset?

22 October 2020

Can you remember which permissions you gave to what apps, and why? Nor can we... time for a reset! [...]

Chrome zero-day in the wild – patch now!

21 October 2020

Exploitable bug in Chrome - patch now! [...]

Russian “government hackers” charged with cybercrimes by the US

20 October 2020

What can we learn from the US DOJ indictments against the "Sandworm Team"? [...]

Naked Security Live – Ping of Death: are you at risk?

19 October 2020

Here's the latest Naked Security Live video - enjoy (and please share with your friends)! [...]

26th October – Threat Intelligence Bulletin

26 October 2020

For the latest discoveries in cyber research for the week of 26th October 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Voter database in Hall Country, Georgia, used to verify voter signatures, has been breached by ransomware, alongside other government systems. This might be the first official election resource to be hit... Click to Read More The post 26th October – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

Exploit Developer Spotlight: The Story of PlayBit

26 October 2020

Research By: Eyal Itkin and Itay Cohen Introduction Exploits have always been an important and integral part of malicious attacks. They allow attackers to gain capabilities that are not easy to achieve otherwise. Whether attackers strive to gain higher privileges on a given computer, or laterally move inside a network, exploits often play a key... Click to Read More The post Exploit Developer Spotlight: The Story of PlayBit appeared first on Check Point Research. [...]

19th October – Threat Intelligence Bulletin

19 October 2020

For the latest discoveries in cyber research for the week of 19th October 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Researchers and telecom companies have partnered to execute a coordinated attack aimed at disrupting the infamous Trickbot botnet and Malware-as-a-Service. A Court order granted the researchers control over the botnet’s infrastructure.... Click to Read More The post 19th October – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

12th October – Threat Intelligence Bulletin

12 October 2020

For the latest discoveries in cyber research for the week of 12th October 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Healthcare technology firm eResearchTechnology, providing software for hospitals and clinics, has been hit by the Ryuk ransomware, leading to delays in COVID-19 treatment development. Check Point SandBlast and Anti-Bot provide protection... Click to Read More The post 12th October – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

5th October – Threat Intelligence Bulletin

5 October 2020

For the latest discoveries in cyber research for the week of 5th October 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches French container shipping giant CMA CGM has suffered a ransomware attack by the Ragnar Locker gang. The company alerted its customers that its IT applications are currently unavailable, later confirming that... Click to Read More The post 5th October – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

Graphology of an Exploit – Hunting for exploits by looking for the author’s fingerprints

2 October 2020

Research by: Itay Cohen, Eyal Itkin In the past months, our Vulnerability and Malware Research teams joined efforts to focus on the exploits inside the malware and specifically, on the exploit writers themselves. Starting from a single Incident Response case, we built a profile of one of the most active exploit developers for Windows, known... Click to Read More The post Graphology of an Exploit – Hunting for exploits by looking for the author’s fingerprints appeared first on Check Point Research. [...]

Instagram: The Problem With Open-Source

2 October 2020

When Gal Elbaz came across a modest GIF parser sitting in a remote corner of GitHub, he wasn’t exactly looking for trouble. But he found it. What was so troublesome about this parser in particular? It wasn’t popular, it was created by some unknown programmer, and it didn’t have any extraordinary qualities. Except it was... Click to Read More The post Instagram: The Problem With Open-Source appeared first on Check Point Research. [...]

29th September – Threat Intelligence Bulletin

29 September 2020

For the latest discoveries in cyber research for the week of 29th September 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Following last week’s emergency directive issued by CISA, Microsoft has warned that attackers are actively exploiting the critical Zerologon vulnerability (CVE-2020-1472) to attack Microsoft Windows servers using publicly available PoC exploits.... Click to Read More The post 29th September – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

#Instagram_RCE: Code Execution Vulnerability in Instagram App for Android and iOS

24 September 2020

Research by: Gal Elbaz Background Instagram, with over 100+ million photos uploaded every day, is one of the most popular social media platforms. For that reason, we decided to audit the security of the Instagram app for both Android and iOS operating systems. We found a critical vulnerability that can be used to perform remote... Click to Read More The post #Instagram_RCE: Code Execution Vulnerability in Instagram App for Android and iOS appeared first on Check Point Research. [...]

21st September – Threat Intelligence Bulletin

21 September 2020

For the latest discoveries in cyber research for the week of 21st September 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Check Point Research has unraveled an ongoing surveillance operation by Iranian entities that have been targeting Iranian expats and dissidents for years. The campaign targets both PCs and mobile devices, and... Click to Read More The post 21st September – Threat Intelligence Bulletin appeared first on Check Point Research. [...]

Los mejores sitios donde comprar una laptop

29 October 2020

Entérate de cuáles son los mejores lugares donde comprar una laptop y los beneficios que ofrece cada uno. [...]

Platzi ofrecerá de forma temporal acceso gratis a todos sus cursos online

29 October 2020

El catálogo de la plataforma de educación en línea estará abierto el 30 y 31 de octubre [...]

¿Buscando el mejor ventilador para PC? Encuéntralo aquí

29 October 2020

Un sistema de enfriamiento te evitará muchos problemas. Reunimos los mejores ventiladores para PC del mercado. [...]

Los mejores enfriadores líquidos todo en uno para tu PC de escritorio

29 October 2020

Si quieres ir más allá de un simple sistema de enfriamiento basado en ventiladores, lo que sigue es para ti. [...]

Cómo resetear un router siguiendo unos sencillos y rápidos pasos

29 October 2020

Siempre será bueno conocer cómo restablecer un router, por seguridad o para mejorar la velocidad de conexión. [...]

Cómo descargar Windows 10 ISO e instalar desde aquí Windows 10

29 October 2020

Aprende cómo hacer más de una instalación de Windows 10 con una sola descarga y deja tu PC como nueva. [...]

Arpanet y la historia de un mensaje que cambió para siempre la forma de comunicarnos

29 October 2020

El 29 de octubre de 1969 se produjo el primer envío de un mensaje entre dos computadores [...]

Cómo cambiar la imagen de fondo en Google Chrome

29 October 2020

Chrome es nuestro navegador favorito, pero estéticamente no es emocionante. Aprende a personalizarlo aquí. [...]

Estas son las tarjetas gráficas AMD Radeon RX 6000 Series

28 October 2020

Se basan en la innovadora arquitectura de juegos AMD RDNA 2, una nueva base para las consolas, PC, portátiles y dispositivos móviles [...]

Las mejores alternativas a Zoom para tus videoconferencias

28 October 2020

Zoom es la plataforma de videoconferencias más famosa, pero no es la única. Conoce todas estas alternativas. [...]

Privacy Act review to examine privacy tort, direct action rights, and GDPR compliance

30 October 2020

The Attorney-General's Department will look at carve-outs, harmonisation with states and other nations, and a right to erase for Australians. [...]

McAfee debuts remote browser isolation solution, XDR platform

29 October 2020

The company’s new offerings are designed with real-time protection and incident management in mind. [...]

Open Source Security Foundation launches a new certification program on edX

29 October 2020

The Linux Foundation's OpenSSF is introducing a suite of security classes and a certification for open-source programmers. [...]

Singapore taps iris, facial biometrics as primary identifiers at immigration checkpoints

29 October 2020

Faced with issues related to fingerprint verification such as ageing, scarring, and dryness, Singapore will begin tapping both iris and facial biometrics as the main identifiers at all immigration checkpoints including the airport, ferry terminal, and Malaysian borders. [...]

FBI warning: Trickbot and ransomware attackers plan big hit on US hospitals

29 October 2020

The FBI, CISA, HHS warning comes two weeks after Microsoft's partial takedown of the Trickbot botnet. [...]

Microsoft: These Iranian attackers are targeting high-profile conference attendees

29 October 2020

Iranian group Phosphorus targeted officials, policy experts and academics attending two upcoming conferences. [...]

Beyond passwords: How to use multi-factor authentication - aka 2FA - to improve your security

28 October 2020

Want to avoid having your online accounts hacked? Enable two-factor authentication, a crucial security measure that requires an extra step when signing in to high-value services. In this post, I explain how to set up 2FA and which accounts to focus on first. [...]

PJCIS stops short of recommending warrants to access metadata as scheme is tightened

28 October 2020

Committee issues 22 recommendations following review into Australia's metadata retention scheme, as Labor members call for warrants. [...]

APT groups aren't all from Russia, China, and North Korea

28 October 2020

Despite the impression you might get from major news sources, everybody is hacking everyone else. Some nations just don't talk about it. [...]

FireEye Q3 results beat expectations, raises year view, shares jump 6%

27 October 2020

The security technology vendor hit a new high for recurring revenue, and highlighted a partnership with Microsoft. [...]